Home / 49,854.63-68,777.60-31,695.65

Finding the Fourth Proportional to 49,854.63, 68,777.60 and 31,695.65

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Solution

The fourth proportional to 49,854.63, 68,777.60 and 31,695.65 is: 43,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.63 : 68,777.60 = 31,695.65 : x
  2. Step 2: Convert to fraction form
    49,854.63/68,777.60 = 31,695.65/x
  3. Step 3: Cross multiply
    49,854.63x = 68,777.60 × 31,695.65
  4. Step 4: Simplify right side
    49,854.63x = 2,179,951,077.49
  5. Step 5: Solve for x
    x = 2,179,951,077.49/49,854.63
  6. Step 6: Final answer
    x = 43,726.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.